Bitcoin exchange MtGox faced 150,000 attacks per second: report
Bitcoin exchange MtGox faced massive hacker offensives last month, coming under some 150,000 DDoS attacks per second for several days ahead of its spectacular failure, a report said Sunday.
Japanese bitcoin exchange files US bankruptcy case (Update)
The collapse of Japan's Mt. Gox bitcoin exchange is spilling into U.S. bankruptcy court as the company scrambles for legal cover after losing digital currency valued at $473 million.
Bitcoin: the digital currency that became a target for speculators
Whether you see Bitcoin as the future of finance or a reckless gamble, the digital currency has become headline news over the past year, even as its origins remain shrouded in mystery.
Man identified as Bitcoin creator denies involvement
A man named as being the enigmatic creator of Bitcoin on Thursday denied having a role in the virtual currency, telling reporters he was not involved.
Man denies he's bitcoin creator
Dorian Prentice Satoshi Nakamoto denied Thursday that he is the creator of bitcoin.
Japan says Bitcoin not a currency, but taxable (Update)
Bitcoin is not a currency but transactions involving it should be "subject to taxation", Japan's government said Friday, in a move that could pave the way for formal regulations on the troubled virtual unit.
Buffett says bitcoin 'not a currency'
The Oracle of Omaha is not a believer in bitcoin.
'World's first' Bitcoin shop opens in Hong Kong
A shop selling the virtual Bitcoin currency opened in Hong Kong on Friday, as fresh concerns grew in Asia over the currency's viability and security.
Tokyo bitcoin exchange files for bankruptcy
(AP)—The Mt. Gox bitcoin exchange in Tokyo filed for bankruptcy protection Friday and its chief executive said 850,000 bitcoins, worth several hundred million dollars, are unaccounted for.
Vietnam says bitcoin transactions are illegal
(AP)—Vietnam's communist government said trading in bitcoin and other electronic currencies is illegal, and warned its citizens not to use or invest in them.
How malware operators use infected computers to mine cryptocoins
A team of computer scientists at the University of California, San Diego, has taken an unprecedented, in-depth look at how malware operators use the computers they infect to mine Bitcoin, a virtual currency ...
Website of Bitcoin exchange Mt. Gox offline (Update)
(AP)—The website of major bitcoin exchange Mt. Gox is offline Tuesday amid reports it suffered a debilitating theft, a new setback for efforts to gain legitimacy for the virtual currency.
Cyber thieves blamed for Bitcoin heist: researchers
A gang of cyber criminals using an army of infected computers made off with at least $220,000 worth of Bitcoins and other virtual currencies, security researchers said Monday.
MtGox bitcoin plunges as website disappears
The website of Tokyo-based bitcoin exchange MtGox went down on Tuesday after the value of the virtual unit sank to about a quarter of that on other platforms and Japanese regulators said they were unable to step in.